1230870 has 32 divisors (see below), whose sum is σ = 2993760. Its totient is φ = 323840.

The previous prime is 1230869. The next prime is 1230871. The reversal of 1230870 is 780321.

It is an interprime number because it is at equal distance from previous prime (1230869) and next prime (1230871).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2440 + ... + 2900.

It is an arithmetic number, because the mean of its divisors is an integer number (93555).

2^1230870 is an apocalyptic number.

1230870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230870 is an abundant number, since it is smaller than the sum of its proper divisors (1762890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230870 is a wasteful number, since it uses less digits than its factorization.

1230870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1230870 is about 1109.4458075995. The cubic root of 1230870 is about 107.1693826389.

The spelling of 1230870 in words is "one million, two hundred thirty thousand, eight hundred seventy".